ARM: dts: am335x-boneblack: enable wl1835mod cape support

Add support for the WL1835MOD cape.
This cape conflicts with the eMMC and HDMI on board the BeagleBone Black.

This change requires that the board be booted from the SD card slot by
holding the user/boot button down at power on and reset.

Signed-off-by: Eyal Reizer <eyalr@ti.com>

arch/arm/boot/dts/am335x-boneblack-wl1835mod-cape.dtsi

@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	wlan_en_reg: fixedregulator@2 {
+		compatible = "regulator-fixed";
+		regulator-name = "wlan-en-regulator";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+
+		/* WL_EN */
+		gpio = <&gpio0 26 0>;
+		enable-active-high;
+	};
+
+	kim {
+	        compatible = "kim";
+	        nshutdown_gpio = <44>; /* Bank1, pin12 */
+	        dev_name = "/dev/ttyO4";
+	        flow_cntrl = <1>;
+	        baud_rate = <3000000>;
+	};
+
+	btwilink {
+	        compatible = "btwilink";
+	};
+};
+
+&am33xx_pinmux {
+	bt_pins: pinmux_bt_pins {
+		pinctrl-single,pins = <
+			0x30 (PIN_OUTPUT_PULLUP | MUX_MODE7)	/* gpmc_ad12.gpio1_12 */
+		>;
+	};
+
+	mmc2_pins: pinmux_mmc2_pins {
+		pinctrl-single,pins = <
+			0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
+			0x84 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
+			0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
+			0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
+			0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */
+			0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */
+		>;
+	};
+
+	mmc2_pins_sleep: pinmux_mmc2_pins_sleep {
+		pinctrl-single,pins = <
+			0x80 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_csn1.mmc1_clk */
+			0x84 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_csn2.mmc1_cmd */
+			0x00 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad0.mmc1_dat0 */
+			0x04 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad1.mmc1_dat1 */
+			0x08 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad2.mmc1_dat2 */
+			0x0c (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad3.mmc1_dat3 */
+		>;
+	};
+
+	/* wl18xx card enable/irq GPIOs. */
+	wlan_pins: pinmux_wlan_pins {
+		pinctrl-single,pins = <
+			0x28 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)	/* gpmc_ad10.gpio0_26 WL_EN*/
+			0x2C (PIN_INPUT_PULLUP | MUX_MODE7)	/* gpmc_ad11.gpio0_27 WL_IRQ*/
+			0x7C (PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_csn0.gpio1_29 BF_EN*/
+		>;
+	};
+
+	/* wl18xx card enable/irq GPIOs. */
+	wlan_pins_sleep: pinmux_wlan_pins_sleep {
+		pinctrl-single,pins = <
+			0x28 (PIN_OUTPUT_PULLUP | MUX_MODE7)	/* gpmc_ad10.gpio0_26 WL_EN*/
+			0x2C (PIN_INPUT_PULLUP | MUX_MODE7)	/* gpmc_ad11.gpio0_27 WL_IRQ*/
+			0x7C (PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_csn0.gpio1_29 BF_EN*/
+		>;
+	};
+
+	uart4_pins_default: pinmux_uart4_pins_default {
+		pinctrl-single,pins = <
+			0xD0 (PIN_INPUT | MUX_MODE6)		/* lcd_data12.uart4_cts */
+			0xD4 (PIN_OUTPUT_PULLDOWN | MUX_MODE6)	/* lcd_data13.uart4_rts */
+			0x70 (PIN_INPUT_PULLUP | MUX_MODE6)	/* gpmc_wait0.uart4_rxd */
+			0x74 (PIN_OUTPUT_PULLDOWN | MUX_MODE6)	/* gpmc_wpn.uart4_txd */
+		>;
+	};
+
+	uart4_pins_sleep: pinmux_uart4_pins_sleep {
+		pinctrl-single,pins = <
+			0xD0 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* lcd_data12.uart4_cts */
+			0xD4 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* lcd_data13.uart4_rts */
+			0x70 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_wait0.uart4_rxd */
+			0x74 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_wpn.uart4_txd */
+		>;
+	};
+};
+
+&mmc2 {
+	status = "okay";
+	vmmc-supply = <&wlan_en_reg>;
+	bus-width = <4>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&mmc2_pins &wlan_pins>;
+	pinctrl-1 = <&mmc2_pins_sleep &wlan_pins_sleep>;
+	ti,non-removable;
+	ti,needs-special-hs-handling;
+	cap-power-off-card;
+	keep-power-in-suspend;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+	wlcore: wlcore@0 {
+		compatible = "ti,wl1835";
+		reg = <2>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <27 IRQ_TYPE_LEVEL_HIGH>;
+	};
+};
+
+&uart4 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&uart4_pins_default>;
+	pinctrl-1 = <&uart4_pins_sleep>;
+	status = "okay";
+};

arch/arm/boot/dts/am335x-boneblack-wl1835mod.dts

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+/dts-v1/;
+
+#include "am33xx.dtsi"
+#include "am335x-bone-common-no-capemgr.dtsi"
+
+/ {
+	model = "TI AM335x BeagleBone Black";
+	compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
+};
+
+&ldo3_reg {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-always-on;
+};
+
+&mmc1 {
+	vmmc-supply = <&vmmcsd_fixed>;
+};
+
+&rtc {
+	system-power-controller;
+};
+
+/* EMMC in reset */
+&gpio1 {
+	emmc_rst {
+		gpio-hog;
+		gpios = <20 0>;
+		output-high;
+		line-name = "EMMC ResetN";
+	};
+};
+
+#include "am335x-boneblack-wl1835mod-cape.dtsi"